EP2861348A1 - Jaw crusher and method for operating a jaw crusher - Google Patents

Jaw crusher and method for operating a jaw crusher

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Publication number
EP2861348A1
EP2861348A1 EP13741660.8A EP13741660A EP2861348A1 EP 2861348 A1 EP2861348 A1 EP 2861348A1 EP 13741660 A EP13741660 A EP 13741660A EP 2861348 A1 EP2861348 A1 EP 2861348A1
Authority
EP
European Patent Office
Prior art keywords
jaw
cylinder
crusher
jaw crusher
piston
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP13741660.8A
Other languages
German (de)
French (fr)
Other versions
EP2861348B1 (en
Inventor
Heinz-Peter Dappen
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to PL13741660T priority Critical patent/PL2861348T3/en
Publication of EP2861348A1 publication Critical patent/EP2861348A1/en
Application granted granted Critical
Publication of EP2861348B1 publication Critical patent/EP2861348B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C1/00—Crushing or disintegrating by reciprocating members
    • B02C1/02—Jaw crushers or pulverisers
    • B02C1/025—Jaw clearance or overload control

Definitions

  • the invention relates to a jaw crusher according to the preamble of patent claim 1.
  • a jaw crusher which has a stationary jaw and a pivoting jaw, which is pivotally mounted about an axis lying at its upper end.
  • a hydraulic piston-cylinder unit engages on this, which is articulated at one end to the pivoting jaw and at its other end to the frame receiving the two breaker jaws.
  • the working stroke of the piston-cylinder unit should be adjustable, for example, in a range between 20 to 40 mm, without this document indicating, from which reference this area emanates.
  • a jaw crusher is described with a pivoting jaw, which is pivotable with the interposition of a toggle joint of a hydraulic piston-cylinder unit about an axis located in the region of the upper end of the pivoting jaw.
  • To adjust the grain size of the comminuted material is provided to change the Brechspaltweite the length of the working stroke of the hydraulic piston-cylinder unit to change, but this is not possible during operation of the jaw crusher.
  • a jaw crusher described in US Pat. No. 1,863,492 contains a stationary crusher jaw and a pivoting jaw, which can be pivoted about a pivot axis that can be fixed in two positions.
  • the drive of the swivel jaw takes place by means of a flywheel driven via a belt drive, which drives an eccentrically mounted drive block to an oscillating movement in the direction of the swivel jaw.
  • the drive block can be positioned in four positions and is equipped to change the crushing gap width with four different deep grooves into which a contact rod acting on the swivel jaw can be inserted.
  • a change in the crushing gap width is possible only when the jaw crusher is stationary. Before restarting the jaw crusher, the crushing space between the jaws must be emptied, which is only possible from above. This also applies in the case of a material jam between the two jaws, since without such emptying the flywheel can not be set in rotation and therefore can not perform its function as an energy store.
  • control device includes a control unit acting on the piston-cylinder unit, with which a limited, constant pivoting range of the pivoting jaw is adjustable within the range of the lower and upper pivoting range limit values.
  • a jaw crusher with a hydraulic piston-cylinder unit whose hydraulic cylinder is pivotally mounted and whose oscillating from the hydraulic cylinder extendable and retractable into the cylinder piston rod is also pivotally mounted, characterized in that means of the control unit predetermined length of the working stroke of the piston rod is adjustable, wherein the position of this working stroke is within the range of the maximum Verstellhubes the piston rod and thus within the range of the lower and upper limits of the pivoting range of the swivel jaw.
  • Figure 1 shows a schematic representation partially in section a jaw crusher
  • Figure 2 shows an isometric view of a working cylinder, a control unit and a control valve unit containing unit of the jaw crusher according to the invention
  • Figure 3 is a plan view of the unit shown in Figure 2;
  • Figure 4 shows an enlarged view of a sectional view of the control unit in a first control position
  • FIG. 5 shows a sectional view of the control unit in a second control position
  • FIG. 6 shows the hydraulic circuit diagram of the jaw crusher according to the invention
  • FIG. 7 is a diagram illustrating the relation between the maximum possible one
  • FIG. 8 is a diagram showing the relation between the maximum possible adjustment stroke and the actual working or working jaw in the jaw crusher according to the invention.
  • the jaw crusher shown in FIG. 1 contains a crusher housing 1, a stationary crusher jaw 2, a swiveling jaw 3 pivotable about the axis 4 and a hydraulic cylinder 5 pivotable about an axis 5.1 as a drive element whose piston rod 5.2 is articulated on the swivel jaw 3 in the area of the axle 5.3 ,
  • the hydraulic cylinder 5 is provided with a bearing eye 5.4 associated with the axle 5.3.
  • On the piston rod 5.2 a 5.3 associated bearing eye 5.5 is attached.
  • a control device with which the Brechspaltweite between the two breaker jaws 2 and 3 is adjustable between upper and lower limits, includes a control unit 6 and a control valve unit 7, which are preferably attached directly to the hydraulic cylinder 5.
  • the control unit 6 shown in Figures 4 and 5 in two different working positions includes a first cylinder housing 8 and a coaxially adjoining second cylinder housing 9, whose inner diameter is preferably greater than the inner diameter of the cylinder housing 8.
  • a spool 10 is sealing slidably mounted.
  • the spool 10 is provided with an axially extending inner bore 10.1, which has an inner ring gear at least over part of its length. In this inner ring gear engages an outer ring gear of a pin 11 which can be set in rotation by means of an outside of the cylinder housing 8 adjusting wheel 12.
  • the spool 10 is provided with a circumferential groove 10.2 and forms part of a 4/2-way valve 16 with the four terminals Y, Yi and X, Xi, see also Figure 6, such that the circumferential groove 10.2 oscillating the terminals Y, Yi or X, Xi may be opposite.
  • spool 10 coaxially connects to a threaded spindle 13, which is guided in a nut 14.
  • This nut 14 is fixed coaxially to a control rod 15 which is displaceably mounted in the second cylinder housing 9 and which is provided with an inner bore 15.1 which extends over part of its length and adjoins the nut 14.
  • control rod 15 is rigidly connected to the free end of the piston rod 5.2 by means of the rocker 17 shown in Figures 2, 3 and 6.
  • the hydraulic cylinder 5 shown schematically in FIG. 6 is connected with its working piston 5.6 via the 4/2-way valve 20 forming part of the control valve unit 7 to the hydraulic connections P and T.
  • the hydraulic cylinder 5 is supplied with hydraulic fluid from the hydraulic connection P via the line A in such a way that the working piston 5.5 extends with the piston rod 5.2 in the direction of the arrow fi and carries out its working stroke, to press the swivel jaw 3 in the direction of the stationary crusher jaw 2.
  • the lying below the working piston 5.5 space of the hydraulic cylinder 5 is depressurized via the line B in the direction of the hydraulic port T.
  • the 4/2-way valve 20 is moved to its second valve position to pressurize the space located below the working piston 5.5 of the hydraulic cylinder 5 via line B with hydraulic fluid and the working piston 5.5 in Move direction of the arrow f 2 and thus retract the piston rod 5.2 in the hydraulic cylinder 5.
  • the hydraulic fluid located above the working piston 5.5 is demanded back through the line A in the direction of the hydraulic connection P.
  • the 4/2-way valve 20 is controlled between its two valve positions of a part of the control unit 6 forming 4/2-way valve 16, via the dashed lines shown control lines X, Xi on the one hand and Y, Yi on the other hand to the 4/2-way valve 20 is connected.
  • the designations X, Xi and Y, Yi indicate that the respective control lines are alternately flowed through in opposite directions by hydraulic fluid.
  • the spool of the 4/2-way valve 20 is adjusted accordingly, so that the hydraulic cylinder 5 is alternately acted upon in opposite directions with hydraulic fluid, such that the working piston 5.5 and the Piston rod 5.2 executes either in the direction of the arrow fi the working stroke or retracts in the direction of the arrow f 2 again in the hydraulic cylinder 5.
  • the means of the rocker 17 rigidly connected to the piston rod 5.2 control rod 15 of the control unit 6 follows the movement of the piston rod 5.6.
  • the movement of the control rod 15 following spool 10 of the 4/2-way valve 16 is reciprocated between its two either the terminals X, Xi or the terminals Y, Yi opposite end positions, so that by the dashed lines shown control lines that the hydraulic cylinder 5 associated 4/2-way valve 20 of the control unit 6 is adjusted accordingly and thereby the flow of hydraulic fluid is controlled in or out of the hydraulic cylinder 5.
  • the Brechspaltweite can be set between a minimum value represented by Figure 4 and a maximum value represented by Figure 5, of course Intermediate positions between the two extreme values according to FIGS. 4 and 5 are possible.
  • Check valves 23 and 24 located in the area of the control unit 16 are provided to prevent overloading of the control line system.
  • Line branches XA and XB are used to connect the 4/2-way valve 16 to the lines A and B.
  • a pressure limiting valve 22 is provided as a overload-securing element of the line branch B.
  • the line Ti connecting the 4/2-way valve 16 to the hydraulic connection T serves to recover any leakage hydraulic fluid that may occur in the region of the 4/2-way valve 16.
  • the possibility is created of using e.g.
  • the maximum possible stroke length of the piston-cylinder unit of 100 mm is to set the actual working or breaking stroke to specific ranges within the maximum possible stroke length.
  • a Häg. Breaking stroke of 40 mm can be set within the range of the maximum possible stroke length of 100 mm.
  • the oscillating lifting movement, i. H. the working stroke of the working piston is set in the range between 60 mm and 100 mm.
  • FIGS. 6 and 7 serve to explain the working or operating mode of the jaw crusher described in DE 44 00 922 A1 in comparison to the jaw crusher 1 according to the invention.
  • the crushing gap width required for this must be set to a maximum value of 100 mm and the working piston must have a working or a breaking stroke of 100 mm.
  • the working stroke length must also be set to corresponding values of 40 mm, 70 mm or 100 mm in order to obtain a particle size range of ⁇ 40 mm or ⁇ 70 mm or ⁇ 100 mm.
  • the jaw crusher according to the invention it is sufficient for the jaw crusher according to the invention to change the position of the working stroke by gap offset, i. with a scheduled working stroke of e.g. 40 mm, the working stroke of the piston rod 5.2 or the working piston 5.5 by changing the position of the control rod 15 between the two shown in Figures 4 and 5 extreme positions, for example in the range I between> zero mm to 40 mm or in the area II be set between 30 mm to 70 mm or in the range III between 60 mm to 100 mm to obtain a comminuted product with a particle size range> 40 mm or> 70 mm or> 100.
  • gap offset i. with a scheduled working stroke of e.g. 40 mm
  • the working stroke of the piston rod 5.2 or the working piston 5.5 by changing the position of the control rod 15 between the two shown in Figures 4 and 5 extreme positions, for example in the range I between> zero mm to 40 mm or in the area II be set between 30 mm to 70 mm or in the range III between
  • the working stroke must be set to 100 mm in order to achieve a product with a particle size range ⁇ 100 mm, a working stroke of e.g. 40 mm, which is between the limits of 60 and 100 mm in order to achieve a maximum size of the breaker gap width and thus to obtain a comminuted product in the grain size range> 100 mm.

Abstract

The invention relates to a jaw crusher comprising - two opposing crusher jaws (2, 3) which are attached to a jaw crusher frame and at least one crusher jaw of which is a hinged jaw (3), - at least one piston/cylinder unit which can drive the hinged jaw (3) in an oscillating manner, the hydraulic cylinder (5) of which is pivotally mounted, and the piston rod (5.2) of which is hinged to the hinged jaw (3), said piston rod being extendable out of the hydraulic cylinder (5) and retractable back into the cylinder (1) in an oscillating manner, and - a control device with which the crusher gap width between the two crusher jaws (2, 3) can be set. The invention is characterized in that the control device contains a control unit which acts on the piston/cylinder unit and with which a consistent limited pivot range of the hinged jaw (3) can be set within the lower and upper pivot range thresholds.

Description

Backenbrecher und Verfahren zum Betrieh eines Backenbrechers  Jaw crusher and method for operating a jaw crusher
Die Erfindung betrifft einen Backenbrecher gemäß dem Oberbegriff des Patentanspruchs 1. The invention relates to a jaw crusher according to the preamble of patent claim 1.
In der DE 94 01 617 Ul ist ein Backenbrecher beschrieben, der eine stationäre Backe und eine Schwenkbacke aufweist, die um eine an ihrem oberen Ende liegende Achse schwenkbar gelagert ist. Zum Antrieb der Schwenkbacke greift an dieser eine hydraulische Kolben- Zylinder-Einheit an, die mit ihrem einen Ende an der Schwenkbacke und mit ihrem anderen Ende an dem die beiden Brecherbacken aufnehmenden Gestell angelenkt ist. Der Arbeitshub der Kolben-Zylinder-Einheit soll beispielsweise in einem Bereich zwischen 20 bis 40 mm einstellbar sein, ohne dass diese Druckschrift angibt, von welcher Bezugsgröße dieser Bereich ausgeht. In der DE 44 00 922 AI ist ein Backenbrecher mit einer Schwenkbacke beschrieben, die unter Zwischenschaltung eines Kniehebelgelenks von einer hydraulischen Kolben-Zylinder-Einheit um eine im Bereich des oberen Endes der Schwenkbacke befindlichen Achse verschwenkbar ist. Zum Einstellen der Korngröße des zerkleinerten Gutes ist vorgesehen, zur Veränderung der Brechspaltweite die Länge des Arbeitshubes der hydraulischen Kolben-Zylinder-Einheit zu verändern, was jedoch nicht während des Betriebs des Backenbrechers möglich ist. In DE 94 01 617 Ul a jaw crusher is described, which has a stationary jaw and a pivoting jaw, which is pivotally mounted about an axis lying at its upper end. To drive the pivoting jaw, a hydraulic piston-cylinder unit engages on this, which is articulated at one end to the pivoting jaw and at its other end to the frame receiving the two breaker jaws. The working stroke of the piston-cylinder unit should be adjustable, for example, in a range between 20 to 40 mm, without this document indicating, from which reference this area emanates. In DE 44 00 922 AI a jaw crusher is described with a pivoting jaw, which is pivotable with the interposition of a toggle joint of a hydraulic piston-cylinder unit about an axis located in the region of the upper end of the pivoting jaw. To adjust the grain size of the comminuted material is provided to change the Brechspaltweite the length of the working stroke of the hydraulic piston-cylinder unit to change, but this is not possible during operation of the jaw crusher.
Ein in der US 1,863,492 beschriebener Backenbrecher enthält eine stationäre Brecherbacke und eine Schwenkbacke, die um eine in zwei Positionen fixierbare Schwenkachse verschwenkbar ist. Der Antrieb der Schwenkbacke erfolgt mittels eines über einen Riementrieb antreibbaren Schwungrades, der einen exzentrisch gelagerten Antriebsblock zu einer in Richtung der Schwenkbacke oszillierenden Bewegung antreibt. Der Antriebsblock ist in vier Stellungen positionierbar und ist zur Veränderung der Brechspaltweite mit vier unterschiedlich tiefen Nuten ausgerüstet, in die eine auf die Schwenkbacke einwirkende Kontaktstange einsetzbar ist. Eine Veränderung der Brechspaltweite ist nur bei stillstehendem Backenbrecher möglich. Vor der Wieder-Inbetriebnahme des Backenbrechers muss der Brechraum zwischen den Backen entleert werden, was nur von oben her möglich ist. Dieses gilt auch im Falle eines Materialstaus zwischen den beiden Backen, da ohne ein solches Entleeren das Schwungrad nicht in Drehung versetzt werden und damit auch nicht seine Funktion als Energiespeicher ausüben kann. A jaw crusher described in US Pat. No. 1,863,492 contains a stationary crusher jaw and a pivoting jaw, which can be pivoted about a pivot axis that can be fixed in two positions. The drive of the swivel jaw takes place by means of a flywheel driven via a belt drive, which drives an eccentrically mounted drive block to an oscillating movement in the direction of the swivel jaw. The drive block can be positioned in four positions and is equipped to change the crushing gap width with four different deep grooves into which a contact rod acting on the swivel jaw can be inserted. A change in the crushing gap width is possible only when the jaw crusher is stationary. Before restarting the jaw crusher, the crushing space between the jaws must be emptied, which is only possible from above. This also applies in the case of a material jam between the two jaws, since without such emptying the flywheel can not be set in rotation and therefore can not perform its function as an energy store.
Im Gegensatz dazu wird erfindungsgemäß vorgeschlagen, dass die Regeleinrichtung eine auf die Kolben-Zylinder-Einheit einwirkende Steuereinheit enthält, mit der ein begrenzter gleichbleibender Schwenkbereich der Schwenkbacke innerhalb des Bereichs der unten und oberen Schwenkbereich-Grenzwerte einstellbar ist. In contrast, it is proposed according to the invention that the control device includes a control unit acting on the piston-cylinder unit, with which a limited, constant pivoting range of the pivoting jaw is adjustable within the range of the lower and upper pivoting range limit values.
Gemäß einer bevorzugten Ausführungsform der Erfindung ist ein Backenbrecher mit einer hydraulischen Kolben-Zylinder-Einheit, deren Hydraulikzylinder schwenkbar gelagert ist und deren oszillierend aus dem Hydraulikzylinder ausfahrbare und wieder in den Zylinder einfahrbare Kolbenstange ebenfalls schwenkbar gelagert ist, dadurch gekennzeichnet, dass mittels der Steuereinheit eine vorgegebene Länge des Arbeitshubes der Kolbenstange einstellbar ist, wobei die Position dieses Arbeitshubes innerhalb des Bereichs des maximal möglichen Verstellhubes der Kolbenstange und damit innerhalb des Bereichs der unteren und oberen Grenzwerte des Schwenkbereichs der Schwenkbacke liegt. Die Vorteile der erfindungsgemäßen Ausgestaltung eines Backenbrechers werden im Folgenden noch anhand der Arbeits- und Betriebsweise dieses Backenbrechers beschrieben. According to a preferred embodiment of the invention is a jaw crusher with a hydraulic piston-cylinder unit whose hydraulic cylinder is pivotally mounted and whose oscillating from the hydraulic cylinder extendable and retractable into the cylinder piston rod is also pivotally mounted, characterized in that means of the control unit predetermined length of the working stroke of the piston rod is adjustable, wherein the position of this working stroke is within the range of the maximum Verstellhubes the piston rod and thus within the range of the lower and upper limits of the pivoting range of the swivel jaw. The advantages of the embodiment of a jaw crusher according to the invention are described below on the basis of the working and operating mode of this jaw crusher.
Erfindungsgemäße Verfahrensvarianten zum Betrieb eines Backenbrechers sind in den Patentansprüchen 12 - 14 beschrieben. Process variants according to the invention for operating a jaw crusher are described in patent claims 12-14.
Die Erfindung wird im Folgenden anhand der Zeichnung näher beschrieben: The invention will be described in more detail below with reference to the drawing:
Figur 1 zeigt in schematisierter Darstellung teilweise im Schnitt einen Backenbrecher;  Figure 1 shows a schematic representation partially in section a jaw crusher;
Figur 2 zeigt in isometrischer Darstellung ein einen Arbeitszylinder, eine Steuereinheit und eine Steuerventileinheit enthaltendes Aggregat des erfindungsgemäßen Backenbrechers;  Figure 2 shows an isometric view of a working cylinder, a control unit and a control valve unit containing unit of the jaw crusher according to the invention;
Figur 3 ist eine Draufsicht auf das in Figur 2 dargestellte Aggregat;  Figure 3 is a plan view of the unit shown in Figure 2;
Figur 4 zeigt in vergrößerter Darstellung eine Schnittansicht der Steuereinheit in einer ersten Steuerposition;  Figure 4 shows an enlarged view of a sectional view of the control unit in a first control position;
Figur 5 zeigt eine Schnittansicht der Steuereinheit in einer zweiten Steuerposition;  FIG. 5 shows a sectional view of the control unit in a second control position;
Figur 6 zeigt den Hydraulik-Schaltplan des erfindungsgemäßen Backenbrechers;  FIG. 6 shows the hydraulic circuit diagram of the jaw crusher according to the invention;
Figur 7 ist ein Diagramm, zur Darstellung der Relation zwischen dem maximal möglichem FIG. 7 is a diagram illustrating the relation between the maximum possible one
Verstellhub und dem Arbeitshub des bekannten Backenbrechers gemäß DE 44 00 922 AI;Adjustment stroke and the working stroke of the known jaw crusher according to DE 44 00 922 AI;
Figur 8 ist ein Diagramm, das bei dem erfindungsgemäßen Backenbrecher die Relation zwischen dem maximal möglichen Verstellhub und dem tatsächlichen Arbeits- bzw.FIG. 8 is a diagram showing the relation between the maximum possible adjustment stroke and the actual working or working jaw in the jaw crusher according to the invention.
Brechhub zeigt. Breaking stroke shows.
Der in Figur 1 dargestellte Backenbrecher enthält ein Brechergehäuse 1, eine stationäre Brecherbacke 2, eine um die Achse 4 schwenkbare Schwenkbacke 3 und als Antriebsorgan einen um eine Achse 5.1 verschwenkbaren Hydraulikzylinder 5, dessen Kolbenstange 5.2 an der Schwenkbacke 3 im Bereich der Achse 5.3 angelenkt ist. Gemäß den Figuren 2 und 3 ist der Hydraulikzylinder 5 mit einem der Achse 5.3 zugeordneten Lagerauge 5.4 versehen. An der Kolbenstange 5.2 ist ein der Achse 5.3 zugeordnetes Lagerauge 5.5 angebracht. The jaw crusher shown in FIG. 1 contains a crusher housing 1, a stationary crusher jaw 2, a swiveling jaw 3 pivotable about the axis 4 and a hydraulic cylinder 5 pivotable about an axis 5.1 as a drive element whose piston rod 5.2 is articulated on the swivel jaw 3 in the area of the axle 5.3 , According to FIGS. 2 and 3, the hydraulic cylinder 5 is provided with a bearing eye 5.4 associated with the axle 5.3. On the piston rod 5.2 a 5.3 associated bearing eye 5.5 is attached.
Eine Regeleinrichtung, mit der die Brechspaltweite zwischen den beiden Brecherbacken 2 und 3 zwischen oberen und unteren Grenzwerten einstellbar ist, enthält eine Steuereinheit 6 und eine Steuerventileinheit 7, die vorzugsweise direkt an dem Hydraulikzylinder 5 befestigt sind. Die in den Figuren 4 und 5 in zwei unterschiedlichen Arbeitsstellungen dargestellte Steuereinheit 6 enthält ein erstes Zylindergehäuse 8 und ein koaxial daran anschließendes zweites Zylindergehäuse 9, dessen Innendurchmesser vorzugsweise größer ist als der Innendurchmesser des Zylindergehäuses 8. In dem ersten Zylindergehäuse 8 ist ein Steuerschieber 10 abdichtend verschiebbar gelagert. Der Steuerschieber 10 ist mit einer axial verlaufenden Innenbohrung 10.1 versehen, die zumindest über einen Teil ihrer Länge einen Innenzahnkranz aufweist. In diesen Innenzahnkranz greift ein Außenzahnkranz eines Stiftes 11, der mittels eines außerhalb des Zylindergehäuses 8 befindlichen Stellrades 12 in Drehung versetzbar ist. A control device, with which the Brechspaltweite between the two breaker jaws 2 and 3 is adjustable between upper and lower limits, includes a control unit 6 and a control valve unit 7, which are preferably attached directly to the hydraulic cylinder 5. The control unit 6 shown in Figures 4 and 5 in two different working positions includes a first cylinder housing 8 and a coaxially adjoining second cylinder housing 9, whose inner diameter is preferably greater than the inner diameter of the cylinder housing 8. In the first cylinder housing 8, a spool 10 is sealing slidably mounted. The spool 10 is provided with an axially extending inner bore 10.1, which has an inner ring gear at least over part of its length. In this inner ring gear engages an outer ring gear of a pin 11 which can be set in rotation by means of an outside of the cylinder housing 8 adjusting wheel 12.
Der Steuerschieber 10 ist mit einer Umfangsnut 10.2 versehen und bildet einen Teil eines 4/2- Wegeventils 16 mit den vier Anschlüssen Y, Yi sowie X, Xi ist, siehe auch Figur 6, derart, dass die Umfangsnut 10.2 oszillierend den Anschlüssen Y, Yi oder X, Xi gegenüberliegen kann. The spool 10 is provided with a circumferential groove 10.2 and forms part of a 4/2-way valve 16 with the four terminals Y, Yi and X, Xi, see also Figure 6, such that the circumferential groove 10.2 oscillating the terminals Y, Yi or X, Xi may be opposite.
An den Steuerschieber 10 schließt koaxial zu diesem eine Gewindespindel 13 an, die in einer Mutter 14 geführt ist. Diese Mutter 14 ist koaxial an einer in dem zweiten Zylindergehäuse 9 verschiebbar gelagerten Steuerstange 15 befestigt, die mit einer sich über einen Teil ihrer Länge erstreckenden, an die Mutter 14 anschließenden Innenbohrung 15.1 versehen ist. To the spool 10 coaxially connects to a threaded spindle 13, which is guided in a nut 14. This nut 14 is fixed coaxially to a control rod 15 which is displaceably mounted in the second cylinder housing 9 and which is provided with an inner bore 15.1 which extends over part of its length and adjoins the nut 14.
Auf das freie Ende der Gewindespindel 13 ist ein gegen eine Stirnseite der Mutter 14 zur Anlage bringbarer Sicherungsring 13.1 aufgeschoben, um ein Herausdrehen der Spindel 13 aus der Mutter 14 zu verhindern. On the free end of the threaded spindle 13 against a front side of the nut 14 can be brought to bear locking ring 13.1 to prevent unscrewing the spindle 13 from the nut 14.
Durch Drehen des Stellrades 12 kann die Steuerstange 15 zwischen den beiden in den Figuren 4 und 5 dargestellten Extrempositionen aus dem zweiten Zylindergehäuse 9 ausgefahren bzw. in diesen eingezogen werden. By rotating the adjusting wheel 12, the control rod 15 between the two extreme positions shown in Figures 4 and 5 can be extended from the second cylinder housing 9 and drawn into this.
Das freie Ende der Steuerstange 15 ist mittels der in den Figuren 2, 3 und 6 dargestellten Schwinge 17 starr mit dem freien Ende der Kolbenstange 5.2 verbunden. The free end of the control rod 15 is rigidly connected to the free end of the piston rod 5.2 by means of the rocker 17 shown in Figures 2, 3 and 6.
Die in Figur 4 dargestellte Position der Steuerstange 15, die mittels der Schwinge 17 mit der Kolbenstange 5.2 des Hydraulikzylinders 5 starr verbunden ist, entspricht in der Ruhestellung bei maximal aus dem Zylinder 9 ausgefahrener Steuerstange 15 einer minimalen Brechspaltweite während jedes Arbeitshubes. The position of the control rod 15 shown in Figure 4, which is rigidly connected by means of the rocker 17 with the piston rod 5.2 of the hydraulic cylinder 5, corresponds in the rest position at maximum extended from the cylinder 9 control rod 15 a minimum crushing gap width during each stroke.
Die in Figur 5 dargestellte Steuerposition mit in der Ruhestellung nur minimal aus dem Zylinder 9 ausgefahrener Steuerstange 15 entspricht während jedes Arbeitshubes einer maximalen Brechspaltweite. The control position shown in Figure 5 with only minimal in the rest position from the cylinder 9 extended control rod 15 corresponds during each stroke of a maximum crushing gap width.
Die Arbeits- und Funktionsweise des erfindungsgemäßen Backenbrechers wird anhand des Hydraulikschaltplans von Figur 6 beschrieben. The work and operation of the jaw crusher according to the invention will be described with reference to the hydraulic circuit diagram of Figure 6.
Der in Figur 6 schematisiert dargestellte Hydraulikzylinder 5 ist mit seinem Arbeitskolben 5.6 über das einen Teil der Steuerventileinheit 7 bildende 4/2-Wegeventil 20 an die Hydraulikanschlüsse P und T angeschlossen. Bei der in Figur 6 dargestellten Position des 4/2-Wegeventils 20 wird der Hydraulikzylinder 5 von dem Hydraulikanschluss P über die Leitung A derart mit Hydraulikflüssigkeit beaufschlagt, dass der Arbeitskolben 5.5 mit der Kolbenstange 5.2 in Richtung des Pfeiles fi ausfährt und seinen Arbeitshub ausführt, um die Schwenkbacke 3 in Richtung der stationären Brecherbacke 2 zu drücken. Dabei wird der unterhalb des Arbeitskolbens 5.5 liegende Raum des Hydraulikzylinders 5 über die Leitung B in Richtung des Hydraulikanschlusses T druckentlastet. Um den Arbeitskolben 5.5 wieder in seine Ausgangsposition zurückstellen zu können, wird das 4/2-Wegeventil 20 in seine zweite Ventilstellung verstellt, um den unterhalb des Arbeitskolbens 5.5 befindlichen Raum des Hydraulikzylinders 5 über die Leitung B mit Hydraulikflüssigkeit zu beaufschlagen und den Arbeitskolben 5.5 in Richtung des Pfeiles f2 zu bewegen und damit die Kolbenstange 5.2 in den Hydraulikzylinder 5 einzufahren. Dabei wird die oberhalb des Arbeitskolbens 5.5 befindliche Hydraulikflüssigkeit durch die Leitung A in Richtung des Hydraulikanschlusses P zurück gefordert. The hydraulic cylinder 5 shown schematically in FIG. 6 is connected with its working piston 5.6 via the 4/2-way valve 20 forming part of the control valve unit 7 to the hydraulic connections P and T. In the position of the 4/2-way valve 20 shown in FIG. 6, the hydraulic cylinder 5 is supplied with hydraulic fluid from the hydraulic connection P via the line A in such a way that the working piston 5.5 extends with the piston rod 5.2 in the direction of the arrow fi and carries out its working stroke, to press the swivel jaw 3 in the direction of the stationary crusher jaw 2. In this case, the lying below the working piston 5.5 space of the hydraulic cylinder 5 is depressurized via the line B in the direction of the hydraulic port T. In order to return the working piston 5.5 back to its original position, the 4/2-way valve 20 is moved to its second valve position to pressurize the space located below the working piston 5.5 of the hydraulic cylinder 5 via line B with hydraulic fluid and the working piston 5.5 in Move direction of the arrow f 2 and thus retract the piston rod 5.2 in the hydraulic cylinder 5. In this case, the hydraulic fluid located above the working piston 5.5 is demanded back through the line A in the direction of the hydraulic connection P.
In dem Hydraulikschaltplan ist dieses abwechselnde Durchströmen der Hydraulikflüssigkeit durch die in voll ausgezogenen Linien dargestellten Hydraulikleitungen in entgegengesetzten Richtungen durch die Bezeichnungen A, AI bzw. B, Bl bzw. T, Tl und P, PI wiedergegeben. In the hydraulic circuit diagram, this alternate flow of hydraulic fluid through the hydraulic lines shown in solid lines in opposite directions by the designations A, AI or B, Bl or T, Tl and P, PI reproduced.
Das 4/2-Wegeventil 20 wird zwischen seinen beiden Ventilstellungen gesteuert von einem einen Teil der Steuereinheit 6 bildendes 4/2-Wegeventil 16, das über die gestrichelt dargestellten Steuerleitungen X, Xi einerseits und Y, Yi andererseits an das 4/2-Wegeventil 20 angeschlossen ist. Die Bezeichnungen X, Xi und Y, Yi deuten an, dass die entsprechenden Steuerleitungen abwechselnd in entgegengesetzten Richtungen von Hydraulikflüssigkeit durchströmt werden. The 4/2-way valve 20 is controlled between its two valve positions of a part of the control unit 6 forming 4/2-way valve 16, via the dashed lines shown control lines X, Xi on the one hand and Y, Yi on the other hand to the 4/2-way valve 20 is connected. The designations X, Xi and Y, Yi indicate that the respective control lines are alternately flowed through in opposite directions by hydraulic fluid.
In Abhängigkeit von der Stellung des Steuerschiebers 10 des 4/2-Wegeventils 16 wird der Steuerschieber des 4/2-Wegeventils 20 entsprechend verstellt, so dass der Hydraulikzylinder 5 abwechselnd in entgegengesetzten Richtungen mit Hydraulikflüssigkeit beaufschlagt wird, derart, dass der Arbeitskolben 5.5 und die Kolbenstange 5.2 entweder in Richtung des Pfeiles fi den Arbeitshub ausführt oder in Richtung des Pfeiles f2 wieder in den Hydraulikzylinder 5 einfährt. Depending on the position of the spool 10 of the 4/2-way valve 16, the spool of the 4/2-way valve 20 is adjusted accordingly, so that the hydraulic cylinder 5 is alternately acted upon in opposite directions with hydraulic fluid, such that the working piston 5.5 and the Piston rod 5.2 executes either in the direction of the arrow fi the working stroke or retracts in the direction of the arrow f 2 again in the hydraulic cylinder 5.
Die mittels der Schwinge 17 starr mit der Kolbenstange 5.2 verbundene Steuerstange 15 der Steuereinheit 6 folgt der Bewegung der Kolbenstange 5.6. Der der Bewegung der Steuerstange 15 folgende Steuerschieber 10 des 4/2-Wegeventils 16 wird dabei zwischen seinen beiden entweder den Anschlüssen X, Xi oder den Anschlüssen Y, Yi gegenüberliegenden Endstellungen hin- und herbewegt, so dass durch die gestrichelt dargestellten Steuerleitungen das dem Hydraulikzylinder 5 zugeordnete 4/2-Wegeventil 20 der Steuereinheit 6 entsprechend verstellt wird und dadurch der Fluss der Hydraulikflüssigkeit in den oder aus dem Hydraulikzylinder 5 gesteuert wird. The means of the rocker 17 rigidly connected to the piston rod 5.2 control rod 15 of the control unit 6 follows the movement of the piston rod 5.6. The movement of the control rod 15 following spool 10 of the 4/2-way valve 16 is reciprocated between its two either the terminals X, Xi or the terminals Y, Yi opposite end positions, so that by the dashed lines shown control lines that the hydraulic cylinder 5 associated 4/2-way valve 20 of the control unit 6 is adjusted accordingly and thereby the flow of hydraulic fluid is controlled in or out of the hydraulic cylinder 5.
In Abhängigkeit davon, wie weit die Steuerstange 15 der Steuereinheit 6 durch Betätigung des Stellrades 12 aus dem zweiten Zylindergehäuse 9 ausgefahren worden ist, kann die Brechspaltweite eingestellt werden zwischen einem durch Figur 4 repräsentierten minimalen Wert und einem durch Figur 5 repräsentierten maximalen Wert, wobei natürlich Zwischenstellungen zwischen den beiden Extremwerten gemäß den Figuren 4 und 5 möglich sind. Depending on how far the control rod 15 of the control unit 6 has been extended by actuation of the adjusting wheel 12 from the second cylinder housing 9, the Brechspaltweite can be set between a minimum value represented by Figure 4 and a maximum value represented by Figure 5, of course Intermediate positions between the two extreme values according to FIGS. 4 and 5 are possible.
Im Bereich der Steuereinheit 16 befindliche Rückschlagventile 23 und 24 sind zur Verhinderung von Überlastungen des Steuerleitungssystems vorgesehen. Check valves 23 and 24 located in the area of the control unit 16 are provided to prevent overloading of the control line system.
Leitungszweige XA und XB dienen zum Anschluss des 4/2-Wegeventils 16 an die Leitungen A bzw. B. Ein Druckbegrenzungsventil 22 ist als Überlastungs-Sicherungselement des Leitungszweiges B vorgesehen. Line branches XA and XB are used to connect the 4/2-way valve 16 to the lines A and B. A pressure limiting valve 22 is provided as a overload-securing element of the line branch B.
Die das 4/2- Wegeventil 16 mit dem Hydraulikanschluss T verbindende Leitung Ti dient zur Rückforderung von eventuell auftretender Leckage-Hydraulikflüssigkeit im Bereich des 4/2- Wegeventils 16. The line Ti connecting the 4/2-way valve 16 to the hydraulic connection T serves to recover any leakage hydraulic fluid that may occur in the region of the 4/2-way valve 16.
Bei dem bekannten Backenbrecher gemäß DE 44 00 922 AI entspricht die jeweilige Brechspaltweite der einstellbaren Länge des Arbeitshubs der hydraulischen Kolben-Zylinder- Einheit, wobei ein maximal möglicher Verstellhub von z.B. 100 mm einem Arbeitshub der Kolbenstange von ebenfalls 100 mm entspricht, um mit dem Brecher ein Produkt mit einer Korngröße zwischen < Null mm bis 100 mm zu erhalten. In the known jaw crusher according to DE 44 00 922 AI corresponds to the respective Brechspaltweite the adjustable length of the working stroke of the hydraulic piston-cylinder unit, wherein a maximum possible Verstellhub of e.g. 100 mm corresponds to a working stroke of the piston rod of likewise 100 mm in order to obtain with the crusher a product with a particle size between <zero mm to 100 mm.
Mit der vorliegenden Erfindung ist im Gegensatz dazu die Möglichkeit geschaffen, bei einer z.B. maximal möglichen Verstellhublänge der Kolben-Zylinder-Einheit von 100 mm den tatsächlichen Arbeits- bzw. Brechhub auf bestimmte Bereiche innerhalb der maximal möglichen Verstellhublänge einzustellen. Auf diese Weise kann beispielsweise ein Arbeitsbzw. Brechhub von 40 mm innerhalb des Bereichs der maximal möglichen Verstellhublänge von 100 mm eingestellt werden. Um beispielsweise bei einer maximal möglichen Brechspaltweite eine Körnung des zerkleinerten Produktes im Bereich zwischen < Null mm bis 100 mm zu erhalten, wird die oszillierende Hubbewegung, d. h. der Arbeitshub des Arbeitskolbens in dem Bereich zwischen 60 mm und 100 mm eingestellt. Damit wird erreicht, dass der Kolben bei jedem Arbeitszyklus jeweils nur um 40 mm ausgefahren und entsprechend wieder eingefahren wird, während bei dem bekannten Backenbrecher der Kolben jeweils um 100 mm aus dem Zylinder ausfahren bzw. einfahren muss, um ein Produkt gleicher Körnung im Bereich zwischen < Null mm bis 100 mm zu erhalten. By contrast, with the present invention, the possibility is created of using e.g. The maximum possible stroke length of the piston-cylinder unit of 100 mm is to set the actual working or breaking stroke to specific ranges within the maximum possible stroke length. In this way, for example, a Arbeitsbzw. Breaking stroke of 40 mm can be set within the range of the maximum possible stroke length of 100 mm. In order, for example, to obtain a grain size of the comminuted product in the range between <0 mm to 100 mm at a maximum possible crushing gap width, the oscillating lifting movement, i. H. the working stroke of the working piston is set in the range between 60 mm and 100 mm. This ensures that the piston is extended and retracted only by 40 mm for each working cycle in each case, whereas in the known jaw crusher the piston has to extend or retract by 100 mm from the cylinder in order to produce a product of the same grain size in the range between <Zero mm to obtain 100 mm.
Die Diagramme gemäß den Figuren 6 und 7 dienen zur Erläuterung der Arbeits- bzw. Funktionsweise des in der DE 44 00 922 AI beschriebenen Backenbrechers im Vergleich zu dem erfindungsgemäßen Backenbrecher 1. The diagrams according to FIGS. 6 and 7 serve to explain the working or operating mode of the jaw crusher described in DE 44 00 922 A1 in comparison to the jaw crusher 1 according to the invention.
Um mit dem bekannten Backenbrecher eine Korngröße des zerkleinerten Produktes zwischen < Null mm und 100 mm zu erhalten, muss die dazu erforderliche Brechspaltweite auf einen Maximalwert von 100 mm eingestellt werden und der Arbeitskolben muss einen Arbeits- bzw. Brechhub von 100 mm ausführen. Für jede Brechspaltweite von z.B. 40 mm oder 70 mm oder 100 mm muss auch die Arbeitshublänge auf entsprechende Werte von 40 mm, 70 mm oder 100 mm eingestellt werden, um einen Korngrößenbereich von < 40 mm oder < 70 mm oder < 100 mm erhalten. In order to obtain a grain size of the shredded product between <zero mm and 100 mm with the known jaw crusher, the crushing gap width required for this must be set to a maximum value of 100 mm and the working piston must have a working or a breaking stroke of 100 mm. For each crushing gap width of eg 40 mm or 70 mm or 100 mm, the working stroke length must also be set to corresponding values of 40 mm, 70 mm or 100 mm in order to obtain a particle size range of <40 mm or <70 mm or <100 mm.
Wenn man bei dem erfindungsgemäßen Backenbrecher ebenfalls einen maximal möglichen Verstellhub und damit eine maximal mögliche Brechspaltweite von 100 mm unterstellt, reicht es bei dem erfindungsgemäßen Backenbrecher aus, die Position des Arbeitshubes durch Spaltversatz zu verändern, d.h. mit einem vorgesehenen Arbeitshub von z.B. 40 mm kann der Arbeits-Hubweg der Kolbenstange 5.2 bzw. des Arbeitskolbens 5.5 durch Veränderung der Position der Steuerstange 15 zwischen den beiden in den Figuren 4 und 5 dargestellten Extrempositionen beispielsweise in dem Bereich I zwischen > Null mm bis 40 mm oder in dem Bereich II zwischen 30 mm bis 70 mm oder in dem Bereich III zwischen 60 mm bis 100 mm eingestellt werden, um ein zerkleinertes Produkt mit einer Korngrößenbereich > 40 mm oder von > 70 mm oder von > 100 zu erhalten. Während also bei dem bekannten Backenbrecher der Arbeitshub auf 100 mm eingestellt werden muss, um ein Produkt mit einem Korngrößenbereich < 100 mm zu erreichen, genügt bei dem erfindungsgemäßen Backenbrecher ein Arbeitshub von z.B. 40 mm, der zwischen den Grenzwerten 60 und 100 mm liegt, um eine maximale Größe der Brecherspaltweite zu erreichen und damit ein zerkleinertes Produkt in dem Korngrößenbereich > 100 mm zu erhalten. If, in the jaw crusher according to the invention, a maximum possible adjustment stroke and thus a maximum possible crushing gap width of 100 mm are also assumed, it is sufficient for the jaw crusher according to the invention to change the position of the working stroke by gap offset, i. with a scheduled working stroke of e.g. 40 mm, the working stroke of the piston rod 5.2 or the working piston 5.5 by changing the position of the control rod 15 between the two shown in Figures 4 and 5 extreme positions, for example in the range I between> zero mm to 40 mm or in the area II be set between 30 mm to 70 mm or in the range III between 60 mm to 100 mm to obtain a comminuted product with a particle size range> 40 mm or> 70 mm or> 100. Thus, while in the known jaw crusher the working stroke must be set to 100 mm in order to achieve a product with a particle size range <100 mm, a working stroke of e.g. 40 mm, which is between the limits of 60 and 100 mm in order to achieve a maximum size of the breaker gap width and thus to obtain a comminuted product in the grain size range> 100 mm.

Claims

Patentansprüche claims
1. Backenbrecher mit 1. jaw crusher with
zwei sich gegenüberliegenden, an einem Backenbrechergestell angebrachten Brecherbacken (2, 3), von denen mindestens eine Brecherbacke eine Schwenkbacke (3) ist,  two opposing crusher jaws (2, 3) mounted on a jaw crusher frame, of which at least one crusher jaw is a swivel jaw (3),
mindestens einer die Schwenkbacke (3) oszillierend antreibbaren Kolben- Zylinder-Einheit, deren Hydraulikzylinder (5) schwenkbar gelagert ist und deren oszillierend aus dem Hydraulikzylinder (5) ausfahrbare und wieder in den Zylinder (1) einfahrbare Kolbenstange (5.2) an der Schwenkbacke (3) angelenkt ist,  at least one piston-cylinder unit oscillatingly drivable on the swivel jaw (3), the hydraulic cylinder (5) of which is pivotally mounted and whose piston rod (5.2) is retractable from the hydraulic cylinder (5) and retracts into the cylinder (1) on the swivel jaw (5). 3) is articulated,
einer Regeleinrichtung (6, 7), mit der die Brechspaltweite zwischen den beiden Brecherbacken (2, 3) einstellbar ist,  a control device (6, 7) with which the crushing gap width between the two breaker jaws (2, 3) is adjustable,
dadurch gekennzeichnet, dass die Regeleinrichtung (6, 7) eine auf die Kolben- Zylinder-Einheit einwirkende Steuereinheit (6) enthält, mit der ein begrenzter gleichbleibender Schwenkbereich der Schwenkbacke (3) innerhalb des Bereichs der unten und oberen Schwenkbereich-Grenzwerte einstellbar ist.  characterized in that the control device (6, 7) includes a control unit (6) acting on the piston-cylinder unit, by means of which a limited, constant pivoting range of the swivel jaw (3) is adjustable within the range of the lower and upper swivel range limits.
2. Backenbrecher nach Anspruch 1, mit einer Kolben-Zylinder-Einheit, deren Hydraulikzylinder (5) schwenkbar gelagert ist und deren oszillierend aus dem Hydraulikzylinder (5) ausfahrbare und wieder in den Zylinder (1) einfahrbare Kolbenstange (5.2) an der Schwenkbacke (3) angelenkt ist, dadurch gekennzeichnet, dass mittels der Steuereinheit (6) eine vorgegebene Länge des Arbeits- bzw. Brechhubes der Kolbenstange (5.2) einstellbar ist, der innerhalb des Bereichs des maximal möglichen Verstellhubes der Kolbenstange (5.2) und damit innerhalb der unteren und oberen Grenzwerte des Schwenkbereichs der Schwenkbacke (3) liegt. 2. jaw crusher according to claim 1, with a piston-cylinder unit whose hydraulic cylinder (5) is pivotally mounted and whose oscillating from the hydraulic cylinder (5) extendable and back in the cylinder (1) retractable piston rod (5.2) on the pivoting jaw (5.2) 3) is hinged, characterized in that by means of the control unit (6) a predetermined length of the working or Brechhubes the piston rod (5.2) is adjustable, which is within the range of the maximum possible Verstellhubes the piston rod (5.2) and thus within the lower and upper limits of the pivoting range of the swivel jaw (3).
3. Backenbrecher nach Anspruch 2, dadurch gekennzeichnet, dass die Steuereinheit (6) eine hydraulisch arbeitende bzw. wirksame Steuereinheit ist. 3. jaw crusher according to claim 2, characterized in that the control unit (6) is a hydraulically operating or effective control unit.
4. Backenbrecher nach Anspruch 2 oder 3, dadurch gekennzeichnet, dass die Steuereinheit (6) starr vorzugsweise an dem Hydraulikzylinder (5.1) gelagert ist und eine in der Ruhestellung in unterschiedlichen Stellungen arretierbare Steuerstange (15) enthält, die starr mit der Kolbenstange (5.2) verbunden ist und auf eine Steuerventileinheit (7) einwirkt, mit der die oszillierende Beaufschlagung der hydraulischen Kolben-Zylinder-Einheit (5) mit Hydraulikflüssigkeit zur oszillierenden Hin- und Herbewegung der Kolbenstange (5.2) steuerbar ist. 4. Jaw crusher according to claim 2 or 3, characterized in that the control unit (6) is mounted rigidly preferably on the hydraulic cylinder (5.1) and a lockable in the rest position in different positions control rod (15) which is rigidly connected to the piston rod (5.2) and acts on a control valve unit (7), with the oscillating pressurization of the hydraulic piston-cylinder unit (5) with hydraulic fluid for oscillating reciprocation of the piston rod (5.2) is controllable.
5. Backenbrecher nach Anspruch 3 oder 4, dadurch gekennzeichnet, dass die Steuerstange (15) in der Ruhestellung in einer beliebigen Stellung zwischen zwei Extrempositionen arretierbar ist. 5. Jaw crusher according to claim 3 or 4, characterized in that the control rod (15) can be locked in the rest position in any position between two extreme positions.
6. Backenbrecher nach Anspruch 4 oder 5, dadurch gekennzeichnet, dass die Steuereinheit (6) ein erstes Zylindergehäuse (8) und ein koaxial daran anschließendes zweites Zylindergehäuse (9) enthält, dass in dem ersten Zylindergehäuse (8) ein Steuerschieber (10) abdichtend verschiebbar gelagert ist, der mit einer axial verlaufenden Innenbohrung (10.1) versehen ist, die zumindest über einen Teil ihrer Länge einen Innenzahnkranz aufweist, in den ein Außenzahnkranz eines Stiftes (1 1) eingreift, der zum Verstellen der Steuerstange (15) mittels eines außerhalb des Zylindergehäuses (8) befindlichen Stellrades (12) in Drehung versetzbar ist. 6. jaw crusher according to claim 4 or 5, characterized in that the control unit (6) a first cylinder housing (8) and a coaxially adjoining second cylinder housing (9) that in the first cylinder housing (8) a spool (10) sealingly is slidably mounted, which is provided with an axially extending inner bore (10.1) which has at least over part of its length an inner ring gear into which an outer ring gear of a pin (1 1) engages, for adjusting the control rod (15) by means of an outside of the cylinder housing (8) located adjusting wheel (12) is set in rotation.
7. Backenbrecher nach Anspruch 6, dadurch gekennzeichnet, dass an dem Steuerschieber (10) koaxial zu diesem eine Gewindespindel (13) angebracht ist, die in einer an der Steuerstange (15) befestigten Mutter (10) geführt ist, die mit einer sich über einen Teil ihrer Länge erstreckenden, an die Mutter (14) anschließenden Innenbohrung (15.1) versehen ist. 7. Jaw crusher according to claim 6, characterized in that on the spool (10) coaxially thereto, a threaded spindle (13) is mounted, which is guided in a on the control rod (15) fixed nut (10) with a on a part of its length extending, to the nut (14) adjoining the inner bore (15.1) is provided.
8. Backenbrecher nach Anspruch 6 oder 7, dadurch gekennzeichnet, dass der Steuerschieber (10) mit einer Umfangsnut (10.2) versehen ist und Teil eines 4/2- Wegeventils (16) mit vier Anschlüssen (Y, Yi sowie X, Xi) bildet, derart, dass die Umfangsnut (10.2) während des Betriebs des Backenbrechers abwechselnd den Anschlüssen (Y, Yi oder X, Xi) gegenüberliegt, um über hydraulische Steuerleitungen die Steuerventileinheit (7) derart zu beaufschlagen, dass der Hydraulikzylinder (5) zum Aus- bzw. Einfahren der Kolbenstange (5.1) mit Hydraulikflüssigkeit beaufschlagt wird . 8. jaw crusher according to claim 6 or 7, characterized in that the spool (10) with a circumferential groove (10.2) is provided and part of a 4/2-way valve (16) with four terminals (Y, Yi and X, Xi ) forms in such a way that during the operation of the jaw crusher the circumferential groove (10.2) alternately faces the connections (Y, Yi or X, Xi ) in order to act on the control valve unit (7) via hydraulic control lines in such a way that the hydraulic cylinder (5) can be switched off. or retraction of the piston rod (5.1) is supplied with hydraulic fluid.
9. Backenbrecher nach Anspruch 8, dadurch gekennzeichnet, dass die Steuerventileinheit (7) ein 4/2-Wegeventil enthält, dessen Steuerschieber in Abhängigkeit von der Stellung des Steuerschiebers (10) des 4/2- Wegeventils (16) der Steuereinheit (6) verstellbar ist. 9. jaw crusher according to claim 8, characterized in that the control valve unit (7) contains a 4/2-way valve whose spool in response to the position of the spool (10) of the 4/2-way valve (16) of the control unit (6) is adjustable.
10. Backenbrecher nach Anspruch 1, dadurch gekennzeichnet, dass die Steuereinrichtung (6) elektrisch bzw. elektronisch wirksam ist. 10. jaw crusher according to claim 1, characterized in that the control device (6) is electrically or electronically effective.
11. Backenbrecher nach Anspruch 1 , dadurch gekennzeichnet, dass die Steuereinheit (6) mechanisch wirksam ist. 11. jaw crusher according to claim 1, characterized in that the control unit (6) is mechanically effective.
12. Verfahren zum Zerkleinern von harten Materialien zwischen zwei Brecherbacken eines Backenbrechers, von denen mindestens eine Brecherbacke von einem Antriebsorgan oszillierend mit einem gleichbleibenden begrenzten Arbeitshub angetrieben wird, der innerhalb des maximal möglichen Verstellhubes des Antriebsorganes liegt. 12. A method for crushing hard materials between two crusher jaws of a jaw crusher, of which at least one crusher jaw is driven by a drive member oscillating with a constant limited working stroke, which is within the maximum possible Verstellhubes the drive member.
13. Verfahren zum Zerkleinern von harten Materialien zwischen zwei Brecherbacken eines Backenbrechers, von denen mindestens eine Brecherbacke von einem Antriebsorgan oszillierend innerhalb eines begrenzten gleichbleibenden Schwenkbereiches (= Arbeitshub) angetrieben wird, der zwischen den unteren und oberen Schwenkbereich-Grenzwerten (= Verstellhub) der Schwenkbacke liegt. 13. A method for crushing hard materials between two crusher jaws of a jaw crusher, of which at least one crusher jaw is driven by a drive member oscillating within a limited constant swivel range (= working stroke) between the lower and upper swivel range limits (= Verstellhub) of the swivel jaw lies.
14. Verfahren zum Zerkleinern von harten Materialien zwischen zwei Brecherbacken eines Backenbrechers, von denen man mindestens eine Brecherbacke mit einer hydraulischen Kolben-Zylinder- Streicheinheit oszillierend mit einem begrenzten gleichbleibenden Arbeitshub antreibt, der innerhalb des maximal möglichen Verstellhubes der Kolben-Zylinder-Einheit liegt. 14. A method for crushing hard materials between two crusher jaws of a jaw crusher, of which one drives at least one crusher jaw with a hydraulic piston-cylinder coating unit oscillating with a limited constant working stroke, which is within the maximum possible Verstellhubes the piston-cylinder unit.
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FR2598939B1 (en) * 1986-05-23 1991-05-24 Soldan Ida JAW CRUSHER
DE4400922A1 (en) 1994-01-14 1995-03-30 Krupp Foerdertechnik Gmbh Jaw crusher with a device for protecting against overload and for setting the width of the crushing gap
DE9401617U1 (en) 1994-02-01 1994-11-10 Dappen Peter Jaw crusher for coarse and medium size crushing of hard materials

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Title
None *
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Also Published As

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DE102012105033A1 (en) 2013-12-12
PT2861348T (en) 2018-07-06
WO2013185754A1 (en) 2013-12-19
EP2861348B1 (en) 2018-04-11
PL2861348T3 (en) 2018-10-31
ES2676225T3 (en) 2018-07-17
TR201809590T4 (en) 2018-07-23

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